<template>
  <!-- 放置一个图标 -->
  <div style="display:inline-block">
    <svg-icon
      :icon-class="isfullscreen?'exit-fullscreen' : 'fullscreen'"
      class="fullscreen"
      @click="togglefull"
    />
  </div>
</template>

<script>
import screenfull from 'screenfull'
export default {
  name: 'ScreenFull',
  data() {
    return {
      isfullscreen: false
    }
  },
  // created() {
  // // ESC会改变当前的全屏状态
  //   // screenfull是插件，它自带事件监听 on
  //   // screenfull.isFullscreen ：插件自带的属性，表示当前是否处于全屏状态
  //   screenfull.on('change', () => {
  //     console.log('当前是否是全屏', screenfull.isfullscreen)
  //     this.isfullscreen = screenfull.isfullscreen
  //   })
  // },
  methods: {
    togglefull() {
      screenfull.toggle()
      // 切换svg图标
      this.isfullscreen = !this.isfullscreen
    }
  }
}
</script>

<style lang="scss" scoped>
.fullscreen {
  width: 20px;
  height: 20px;
  color: #fff;
  cursor: pointer;
}
</style>
